Its detail State, County, City, Longitude, Latitude, Envelope Example, Population is as ZIP Code - City. Enter the local name of a city to find a zip code. City of Dayton, OH - MONTGOMERY County Ohio ZIP Codes. Jump to a detailed profile or search site with. Dayton Zip Code Lookup - Zip Code Maps - World Time Map and Time Zones - International Phone Prefixes. Whether it is finding all of the Counties in a Metro Area, or all of the Zip Codes in a City. We thank the authors of the texts that give us the opportunity. Skip city info go to - ZIP Codes. The following text is used only for educational use and informative purpose following the fair use principles. Select State and City from below list.